On Sat, Mar 28, 2015 at 02:44:03PM -0700, David Christensen wrote: > debian: > > I did a fresh install of Debian using debian-7.6.0-i386-netinst.iso today. > When I rebooted, I saw: > > GRUB loading.. > Welcome to GRUB! > > error: incompatible license > Entering rescue mode.. > grub rescue> > > I figured that there was something incompatible between the older ISO and > current files. > > > So, I downloaded debian-7.8.0-i386-xfce-CD-1.iso and installed that. When I > rebooted, I saw: > > GRUB loading.. > Welcome to GRUB! > > error: incompatible license > Entering rescue mode.. > grub rescue> > > > Any suggestions?
I couldn't find anything immediately helpful on the web so I downloaded
the source code for grub. Fortunately, there's only one instance of the
phrase "incompatible license" in there and it's in a small function
called "grub_dl_check_license". The purpose of this function is to
confirm that a module being loaded has a license of "GPLv3", "GPLv3+" or
"GPLv2+". If not, then it returns the above error. I'm not intimately
familiar with the GPL, but as GRUB is one of GNU's higher-visibility
projects, I imagine this is seen as a perfectly cromulent thing to do.
I would suggest raising a bug against grub with the output from
bootinfoscript[1] attached. This is the sort of thing that testing
should have picked up, but it's possible you're pulling in a module that
most people don't use and which has no license or something.
Another avenue of investigation might be to run something like:
for module in /boot/grub/i386-pc/*.mod; do
echo -n "$module: "
strings $module | grep LICENS
done
and look for anything unusual.
[1]: http://bootinfoscript.sourceforge.net/
>
>
> TIA,
>
> David
>
>
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